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The temperature factor for an atom undergoing librational motion is usually expressed in the form of the Debye-Waller factor appropriate to a translational oscillation with an equivalent root-mean-square amplitude. As a result of this the atomic positions may depart significantly from their true...
The structural imperfections in hexagonal gold-cadmium alloys containing 18, 19 and 20 wt.% Cd have been investigated by X-ray diffraction methods. An analysis of X-ray diffraction line breadths of fault-broadened as well as unbroadened reflexions has been carried out. The stacking fault...
Experimental problems in the application of the Berg-Barrett Method to the observation of dislocations in metal single crystals are discussed. The problem of background noise caused by fluorescence from the specimen and inelastic scattering is considered. A criterion for selecting an appropriate...
A recent calculation of the diffraction effects produced by condensed sheets of interstitial atoms is discussed. An error is pointed out; this error vitiates the calculation.
An objection to the treatment of the problem of the diffraction of X-rays by crystals containing condensed sheets of interstitial atoms is discussed.
A method is presented for determining the effectiveness of proportional counter descrimination against harmonic radiation passed by a crystal monochromator in X-ray studies. A method is also given for correcting for this contamination in thermal diffuse scattering experiments where such effects...
An error has occurred in the Abstract of the paper with the above title (Wilson, 1967). In the last line but one `fixed-count timing' should read `fixed-time counting'. A superscript 2 has been omitted from equation (93), p. 895. This equation should read 2ft(Am) = jcos(2mj/R) - Am2Ij.
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